Home / 19,318,815.60-28,981,722.60-9,710,012.40

Finding the Fourth Proportional to 19,318,815.60, 28,981,722.60 and 9,710,012.40

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Solution

The fourth proportional to 19,318,815.60, 28,981,722.60 and 9,710,012.40 is: 14,566,777.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318,815.60 : 28,981,722.60 = 9,710,012.40 : x
  2. Step 2: Convert to fraction form
    19,318,815.60/28,981,722.60 = 9,710,012.40/x
  3. Step 3: Cross multiply
    19,318,815.60x = 28,981,722.60 × 9,710,012.40
  4. Step 4: Simplify right side
    19,318,815.60x = 281,412,885,819,360.25
  5. Step 5: Solve for x
    x = 281,412,885,819,360.25/19,318,815.60
  6. Step 6: Final answer
    x = 14,566,777.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.